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Finding the Fourth Proportional to 159,299.37, 238,943.39 and 69,341.94

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Solution

The fourth proportional to 159,299.37, 238,943.39 and 69,341.94 is: 104,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,299.37 : 238,943.39 = 69,341.94 : x
  2. Step 2: Convert to fraction form
    159,299.37/238,943.39 = 69,341.94/x
  3. Step 3: Cross multiply
    159,299.37x = 238,943.39 × 69,341.94
  4. Step 4: Simplify right side
    159,299.37x = 16,568,797,866.07
  5. Step 5: Solve for x
    x = 16,568,797,866.07/159,299.37
  6. Step 6: Final answer
    x = 104,010.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.